Question about Denon AVR-1911 A/V Receiver - 3D - 90 W RMS - 7.1 Channel - Dolby TrueHD, DTS

1 Answer

Power supply problem

Hi.when i'm trying to turn on my denon is coming on for 5 sec and then the button turn red and is going off after 1 sec.what can be?i've disconect all the speakers and is same? anyone can hel me? thanks

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  • cata raul May 02, 2013

    thank you to all of you guys.today i have some free time soo i will try to apply your advice's.have a nice day,cata

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  • Denon Master
  • 1,054 Answers

Could be a blown amp channel. Once the output transistors go, it doesn't matter if you disconnect the speakers or not, the damage is done. Could also be a voltage regulator, but not as likely.

Posted on Apr 30, 2013

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: denon avr-2106 problem!!!

You're drawing too much power from it. Sounds like maybe your sub is hooked up wrong, double check that.

Posted on Jul 06, 2008

Foxyjay
  • 13 Answers

SOURCE: Power Button Flashing Red

If your amp looks like it's going to work as normal (ie the front display lights up as it should etc), but then the amp goes into protection mode when the anti-thud circuit times out, then I know what's likely to be wrong.

It's one of the power amplifier channels which has gone faulty.

I just found this out after having this problem with my AVR-1906.

I took the amp apart and de-soldered the suspected channel power transistors (centre channel in my case).....and hey-presto! it fired up as normal (obviously the centre channel would be out of service).

I have ordered the replacement transistors from Farnell (UK) at a miserly cost of around £2-£3 each.

Just waiting for them to arrive.

An alternative is, if you don't use all your channels, take the transistors from a known working but not needed channel and swap them over with the duff ones.

Hope thats of use!

Posted on Aug 16, 2008

  • 3 Answers

SOURCE: Power Button Flashing Red

Try unplugging the entire unit and letting it sit for 5 minutes. See if this helps. If not, you need to do a complete reboot, which will cause you to lose your settings, but will probably solve your problem. To do a complete reboot, you will need to hold down two of the front bottons on the front panel. I'm not sure which, so either consult your manual or see other posts here which describe the reboot process for Denons. Hope this helps.

Posted on Jan 05, 2009

  • 163 Answers

SOURCE: red power light blinking on my denon avr 1907,

This is a protection mode. The receiver protection circuit detects an internal problem like missing power supply voltage or blown channel and shuts down the receiver. You need to bring the unit to a repair facility.

Posted on Sep 28, 2011

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IA THIS RVICE FREE I HAVE BEEN UNEMPLOYD FOR 2 YEARS AND IHAVE RIEND THAT I THNK AN D TEWORK IF I CAN DETERMINE THE PROBLEM


Sounds like the power supply capacitors have failed. If you can't replace capacitors on a circuit board on your own, it's time to take in to a repair shop.

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When I turn it on it stays on for just a few seconds and it turns off with the red on syanby blinking , what's going on there?


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Power button turns green, flashes and then turns red and flashes.


Hi,
While working it stops and flashes red approximately 2 seconds interval

Causes
Protection circuit is activated depending on the temperature of the surroundings

Remedy
Switch off the power supply and power on after the temperature have reduced.


While working it stops and flashes red approximately 0.5 seconds interval

Causes
1.Using speakers having less impedance than the specified.
2.If speaker core wire touch each other Protection circuit is activated


Even applying power red flashes 0.5 seconds interval

Cause
Amplifier circuit has failed

Remedy
Switch off the power and contact denon service centre


Thank You

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Disconnect all speaker wires on back and then turn on. If it happens again, it's most likely a power supply problem. If it doesn't happen again, it was probably crossed speaker wires.

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You may need to replace the cmos battery, its a cr2032 3v button cell
Make sure all your expansion cards and memory are reseated.
Make sure all cables are reseated.
your power supply could be bad

If that doesn't work try this


Here is my fix for the dell dimension 4400 amber light problem. It works!
replace cmos battery.
then unplug power cord form wall about 5-10 secs.
then plug it back in, wait 5 secs.
If amber light comes on, press and hold power button until it goes out.

(with light out, press and hold power button while amber light comes on and goes off again holding power button 2-3 secs after light goes out.) repeat whats in parenthesis until computer turns on
it should only take about 6, 7 tries.

After the computer boots, you may want to setup cmos or boot into windows.
After you shutdown, unplug power cord for 5-10 secs then plug it back in.
Press and hold the power button, computer should come on.
I found that's the only way to turn on the computer.
If you shutdown and don't unplug power cord the computer may not boot, mine didn't.
Strange I'd say

A+ Technician

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Red LED standby button is blinking red. Amplifier is switched on and after some 5 secs switches off on its own with red LED still blinking. If OFF on remote is pressed red LED stops blinking, however...


There is a problem win the power supply. I would look for swollen/leaking caps and also any cracked , broken devices in that general area and replace them

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Denon AVR-1911 A/V Receiver - 3D - 90 W RMS - 7.1 Channel - Dolby TrueHD, DTS Logo

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